CN203339349U - Crosstalk-resistant interface circuit for superspeed communication and socket including the interface circuit - Google Patents
Crosstalk-resistant interface circuit for superspeed communication and socket including the interface circuit Download PDFInfo
- Publication number
- CN203339349U CN203339349U CN2013204841810U CN201320484181U CN203339349U CN 203339349 U CN203339349 U CN 203339349U CN 2013204841810 U CN2013204841810 U CN 2013204841810U CN 201320484181 U CN201320484181 U CN 201320484181U CN 203339349 U CN203339349 U CN 203339349U
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- faller gill
- branch line
- transmission branch
- transmission
- faller
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Abstract
The utility model discloses a crosstalk-resistant interface circuit for superspeed communication, including a plurality of pins electrically connected with an RJ45 plug, a plurality of IDC terminals electrically connected with an output cable, and a printed circuit board electrically connecting the pins with the terminals. A transmission line formed by a plurality of transmission branches is formed among the plurality of pins, the plurality of IDC terminals, and the printed circuit board, the plurality of pins allow that the adjacent transmission branches except the first and last transmission branches in the transmission line are provided with pin compensation capacitors. By means of the special space position layout of the pins and the special line layout of the printed circuit board, capacitance is generated between lines to balance the signal interference from the eight lines of an RJ45 plug jack and an IDC wiring base, thereby achieving the aim of signal transmission at a high frequency of 500MHz. The utility model further discloses a socket including the interface circuit.
Description
Technical field
The utility model relates to the transmission line technology field, relates in particular to the anti-socket of crosstalking interface circuit and comprising this interface circuit for a kind of ultrahigh speed communication.
Background technology
According to different high-transmission frequencies, by twisted-pair feeder be divided three classes, the type such as four classes, five classes, six classes, the classification numeral is higher represents that more advanced, the high-transmission frequency of technology is higher, what for example five class standards were corresponding is the high-transmission frequency of 100MHZ, what six class standard was corresponding is the high-transmission frequency of 250MHZ, high-transmission frequency is higher, also higher to the jamproof performance requirement of cable.
Existing patent application, the Chinese patent that for example publication number is CN102500964A, it discloses a kind of six class network information interface circuit structures, by making between circuit to produce electric capacity, utilize the capacitive balance signal to disturb, thus reach under the 250MHZ transmission frequency still can the high-frequency transmission signal purpose, yet the signal of this patent under only can balance 250MHZ transmission frequency disturbs, for higher transmission frequency, the scheme of this patent still can not meet.
The Chinese patent application that and for example publication number is CN1808788A, it discloses the anti-modularized socket of crosstalking pattern and comprising this pattern of a kind of high-speed communications, thereby reduces to reach the purpose that stray inductance meets high-frequency transmission signal under the 250MHZ bandwidth by two building-out capacitors are set.Yet this patent for be still the transmission requirement of six classes (Category6) transmission cable, for the signal of high-transmission frequency more, still can not meet.
Summary of the invention
Technical problem to be solved in the utility model is, the above-mentioned deficiency for prior art, propose a kind of antijamming capability strong, and high-transmission frequency can reach the anti-socket of crosstalking circuit structure and comprising this circuit structure for ultrahigh speed communication of 500MHZ.
The technical scheme that the utility model solves its technical problem employing is, the anti-interface circuit of crosstalking for a kind of ultrahigh speed communication is proposed, it comprises a plurality of faller gills that are electrically connected to RJ45 connector, a plurality of IDC terminals that are electrically connected to the output cable and the printed circuit board (PCB) that faller gill is electrically connected to the IDC terminal, form the transmission line consisted of many transmission branch lines between described a plurality of faller gills, a plurality of IDC terminal and printed substrate; Described a plurality of faller gill makes in described transmission line and not to arrange the faller gill building-out capacitor except article one and the last item transmission branch line and adjacent transmission branch line, between other adjacent transmission branch lines, is provided with the faller gill building-out capacitor.
Further, described transmission line comprises 8 transmission branch lines, and described faller gill is 8, respectively corresponding 8 described transmission branch lines; Be provided with the first faller gill building-out capacitor between described the second transmission branch line and the 3rd transmission branch line, be provided with the second faller gill building-out capacitor between described the 3rd transmission transmission branch line and the 4th transmission transmission branch line, be provided with the 3rd faller gill building-out capacitor between described the 4th transmission branch line and the 5th transmission branch line, be provided with the 4th faller gill building-out capacitor between described the 5th transmission transmission branch line and the 6th transmission transmission branch line, between described the 6th transmission branch line and the 7th transmission branch line, be provided with the 5th faller gill building-out capacitor.
Further, described wiring board one side is provided with the first faller gill, the second faller gill, the 4th faller gill, the 6th faller gill that structure is identical from left to right, and described wiring board opposite side is provided with the 3rd faller gill, the 5th faller gill, the 7th faller gill, the 8th faller gill that structure is identical from left to right; Described the first faller gill and the second faller gill next-door neighbour arrange, and described the 7th faller gill and the 8th faller gill next-door neighbour arrange; Described the 3rd faller gill correspondence is arranged between the second faller gill and the 4th faller gill, and described the 5th faller gill correspondence is arranged between the 4th faller gill and the 6th faller gill.
Further, described the first faller gill comprises Plug Division, bend and by the upwardly extending rake in bend upper end.
Further, described the 3rd faller gill comprises Plug Division, the first bend, by the first upwardly extending the first connecting portion in bend upper end, by the first connecting portion outwards outstanding the second bend extended, by the second bend to the second connecting portion of downward-extension and by outward extending the 3rd connecting portion of the second connecting portion; The slope of described the first connecting portion is less than the slope of rake, and described the 3rd connecting portion is parallel to printed circuit board surface.
Further, the cabling of described printed substrate makes in eight transmission branch lines the first transmission branch line and the 3rd transmit between branch line and is provided with the first wiring board building-out capacitor, be provided with the second wiring board building-out capacitor between the first transmission branch line and the 4th transmission branch line, be provided with tertiary circuit plate building-out capacitor between the second transmission branch line and the 6th transmission branch line, be provided with the 4th wiring board building-out capacitor between the 3rd transmission branch line and the 4th transmission branch line, be provided with the 5th wiring board building-out capacitor between the 3rd transmission branch line and the 5th transmission branch line, be provided with the 6th wiring board building-out capacitor between the 4th transmission branch line and the 6th transmission branch line, be provided with the 7th wiring board building-out capacitor between the 5th transmission branch line and the 6th transmission branch line, be provided with the 8th wiring board building-out capacitor between the 6th transmission branch line and the 8th transmission branch line.
Further, described printed substrate comprises front cabling pattern and back side cabling pattern, described front cabling pattern and back side cabling pattern comprise the first to the 8th splicing ear corresponding to the first to the 8th transmission branch line, and the two or more pieces metal routing that the described first to the 8th wiring board building-out capacitor arranges by arrangement interval between corresponding splicing ear forms.
Further, described IDC terminal comprises that ，Cong Plug Division, Plug Division stretches out and at two side-prominent block, bodies and can cut the twolip cutter that output cable insulating barrier makes the output cable be electrically connected to the IDC terminal.
The utility model also provides a kind of socket, comprises shell, and the anti-circuit of crosstalking for above-mentioned ultrahigh speed communication, with RJ45 socket, IDC routing seat and the supporting seat of RJ45 connector coupling; The Plug Division of described faller gill is plugged in the splicing ear that printed substrate is corresponding, described first and second, the bend of four, six faller gills and the first bend of the 3rd, five, seven, eight faller gills be fixed in the faller gill support slot of supporting seat, described first and second, the rake of four, six faller gills stretches out in the RJ45 socket.
Further, the twolip cutter of described IDC terminal is inserted in IDC routing seat, and body makes Plug Division be plugged in the splicing ear that printed circuit board (PCB) is corresponding through the IDC terminal socket of supporting seat, block card and make the IDC terminal fix in IDC terminal socket.
Further, described sheathing material is metal material.
The utility model is by the special cabling layout of special faller gill locus layout and printed circuit board (PCB), make between circuit and produce electric capacity, signal with these capacitive balances from eight circuits of RJ45 connector socket and IDC routing seat disturbs, thereby reaches the purpose at the high-frequency transmission signal of 500MHz.
The accompanying drawing explanation
Fig. 1 the utlity model has the exploded perspective view of ultrahigh speed communication with the socket of the anti-interface circuit of crosstalking;
Fig. 2 is that in Fig. 1, socket is used state hardware connection layout;
Fig. 3 is the perspective view that in Fig. 1, the anti-interface circuit of crosstalking is used in ultrahigh speed communication;
Fig. 4 is the equivalent circuit diagram that in Fig. 3, the faller gill space layout forms;
The perspective view that Fig. 5 is the first faller gill in Fig. 3;
The perspective view that Fig. 6 is the 3rd faller gill in Fig. 3;
The equivalent circuit diagram that Fig. 7 is printed circuit board (PCB) in Fig. 3;
Fig. 8 is cabling pattern schematic diagram in printed circuit board (PCB) front in Fig. 3;
Fig. 9 is cabling pattern schematic diagram in the printed circuit board (PCB) back side in Fig. 3;
Figure 10 is IDC terminal perspective view in Fig. 3.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Please refer to Fig. 1, Fig. 2, in the utility model one preferred embodiment, have ultrahigh speed communication with the socket of the anti-interface circuit of crosstalking comprise shell 100, with RJ45 socket 200, IDC routing seat 300, supporting seat 400, printed substrate 500, a plurality of faller gill 600 and a plurality of IDC terminal 700 of RJ45 connector 10 couplings.
Selecting shell 100 materials is metal material, can effectively prevent AXT.
The RJ45 connector 20 that is connected to input cable 10 can be plugged in RJ45 socket 200 and with faller gill 600 and be electrically connected to, and faller gill 600 inserts in printed substrate 500, and the IDC terminal also inserts in printed substrate 500 and by IDC routing seat 300 and is electrically connected to output cable 30.Supporting seat 400 is for being fixed in shell 100 by faller gill 600 and IDC terminal 700.Input cable 10 is electrically connected to output cable 30 by RJ45 connector 20, faller gill 600, printed substrate 500, IDC terminal 700, makes signal transfer to output cable 30. by input cable 10
Please refer to Fig. 3, in the utility model one preferred embodiment, ultrahigh speed communication comprises with the anti-interface circuit of crosstalking a plurality of faller gills 600 that are electrically connected to RJ45 connector, a plurality of IDC terminals 700 that are electrically connected to output cable 30 and the printed circuit board (PCB) 500 that faller gill 600 is electrically connected to IDC terminal 700; Form the transmission line formed by many transmission branch lines between described a plurality of faller gill 600, a plurality of IDC terminal 700 and printed substrate 500; Described a plurality of faller gill 600 makes in described transmission line and not to arrange the faller gill building-out capacitor except article one and the last item transmission branch line and adjacent transmission branch line, between other adjacent transmission branch lines, is provided with the faller gill building-out capacitor.
Please refer to Fig. 4, Fig. 4 is the equivalent circuit diagram that in Fig. 3, the faller gill space layout forms.In Fig. 4, described transmission line comprises 8 transmission branch lines, and described faller gill 600 is 8, respectively corresponding 8 described transmission branch lines; Be provided with the first faller gill building-out capacitor C1 between described the second transmission branch line and the 3rd transmission branch line, be provided with the second faller gill building-out capacitor C2 between described the 3rd transmission transmission branch line and the 4th transmission transmission branch line, be provided with the 3rd faller gill building-out capacitor C3 between described the 4th transmission branch line and the 5th transmission branch line, be provided with the 4th faller gill building-out capacitor C4 between described the 5th transmission transmission branch line and the 6th transmission transmission branch line, between described the 6th transmission branch line and the 7th transmission branch line, be provided with the 5th faller gill building-out capacitor C5.
Please continue with reference to Fig. 3, Fig. 3 has shown the concrete Space Layout Structure schematic diagram of a plurality of faller gills.In Fig. 3, eight faller gills are divided into the two rows setting that opposes, wherein said wiring board one side is provided with the first faller gill 610, the second faller gill 620, the 4th faller gill 640, the 6th faller gill 660 that structure is identical from left to right, and described wiring board opposite side is provided with the 3rd faller gill 630, the 5th faller gill 650, the 7th faller gill 670, the 8th faller gill 680 that structure is identical from left to right; Described the first faller gill 610 and the second faller gill 620 next-door neighbours arrange, and described the 7th faller gill 670 and the 8th faller gill 680 next-door neighbours arrange; Described the 3rd faller gill 630 correspondences are arranged between the second faller gill 620 and the 4th faller gill 640, and described the 5th faller gill 650 correspondences are arranged between the 4th faller gill 640 and the 6th faller gill 660.
Due to the first faller gill 610 and second faller gill 620 next-door neighbour's settings, the 7th faller gill 670 and the 8th faller gill 680 next-door neighbours arrange, other faller gills are all the settings that keep at a certain distance away, therefore when electric current passes through, except the first faller gill 610 and the second faller gill 620, outside the 7th faller gill 670 and the 8th faller gill 680, between adjacent faller gill, all can, because coupling effect produces equivalent capacitance value, by those electric capacity, get final product crosstalk reduction.When needs are adjusted the capacitance of faller gill building-out capacitor C1-C5, adjust spacing distance adjacent between a plurality of faller gills and get final product.
Please refer to Fig. 5, Fig. 6, Fig. 5 and Fig. 6 show respectively the perspective view of the faller gill of two kinds of different structures, and wherein the faller gill of the first structure be take the first faller gill 610 as the example explanation, and the faller gill of the second structure be take the 3rd faller gill 630 as the example explanation.
The first faller gill 610 comprises Plug Division 611 for being plugged to printed substrate 500, bend 612 and by the bend 612 upwardly extending rakes 613 in upper end.
The 3rd faller gill 630 comprises Plug Division 631 for being plugged to printed substrate 500, the first bend 632, by the first upwardly extending the first connecting portion 633 in bend 632 upper ends, by the first connecting portion 633 outwards outstanding the second bend 634 extended, by the second bend 634 to the second connecting portion 635 of downward-extension and by outward extending the 3rd connecting portion 636 of the second connecting portion 634; The slope of described the first connecting portion 633 is less than the slope of rake 613, and described the 3rd connecting portion 636 is parallel to printed circuit board (PCB) 500 surfaces.
Please, referring again to Fig. 1, Fig. 2, Fig. 5, Fig. 6, the annexation at faller gill and other positions of socket is described by above-mentioned accompanying drawing.Be formed with faller gill support slot 410 on supporting seat 400, described first and second, the bend of four, six faller gills and the first bend of the 3rd, five, seven, eight faller gills be fixed in the faller gill support slot 410 of supporting seat, described first and second, the rake of four, six faller gills stretches out in RJ45 socket 200.
After the Space Layout Structure that faller gill is set makes transmission line can form a plurality of faller gill building-out capacitors, can play certain anti-signal interference effect, stronger for the anti-tampering ability that makes socket in the utility model, be more suitable for using in high-frequency signal, also be provided with the cabling layout structure of printed substrate, make printed substrate not only play the effect that is electrically connected to faller gill and IDC terminal and can also form another compensating circuit.
Please refer to Fig. 7, the schematic equivalent circuit that Fig. 7 is printed substrate.In Fig. 7, the cabling of printed substrate makes in eight transmission branch lines the first transmission branch line and the 3rd transmit between branch line and is provided with the first wiring board building-out capacitor C6, be provided with the second wiring board building-out capacitor C7 between the first transmission branch line and the 4th transmission branch line, be provided with tertiary circuit plate building-out capacitor C8 between the second transmission branch line and the 6th transmission branch line, be provided with the 4th wiring board building-out capacitor C9 between the 3rd transmission branch line and the 4th transmission branch line, be provided with the 5th wiring board building-out capacitor C10 between the 3rd transmission branch line and the 5th transmission branch line, be provided with the 6th wiring board building-out capacitor C11 between the 4th transmission branch line and the 6th transmission branch line, be provided with the 7th wiring board building-out capacitor C12 between the 5th transmission branch line and the 6th transmission branch line, be provided with the 8th wiring board building-out capacitor C13 between the 6th transmission branch line and the 8th transmission branch line.
By the first compensating action to the 8th wiring board building-out capacitor, make the antijamming capability that transfers to the signal of IDC terminal by faller gill also be enhanced, in conjunction with faller gill building-out capacitor C1-C5, make the antijamming capability of whole socket greatly improve.
It is multiple that the cabling that wiring board is set makes the mode that forms building-out capacitor between the transmission branch line have, and is generally that 2 of arranging by arrangement interval between corresponding splicing ear or many strip metals cabling get final product.Spaced metal routing electric current by the time can form electric capacity by coupling effect.
Fig. 8 and Fig. 9 show respectively in the utility model one preferred embodiment, the cabling schematic diagram of printed substrate 500 front and backs.As can be seen from Figure 8, the first wiring board building-out capacitor C6 formed between the first transmission branch line and the 3rd transmission branch line, form by the first terminal in printed substrate left side and four spaced metal routings between the 3rd terminal; In like manner, the the second wiring board building-out capacitor C7 formed between the first transmission branch line and the 4th transmission branch line forms by three between the first terminal in printed substrate left side and the 4th terminal spaced metal routings, and building-out capacitor can the rest may be inferred for the All other routes plate.
While adjusting the capacitance of wiring board building-out capacitor C6-C13 if need, number and the spacing distance of adjusting the metal routing of corresponding terminal get final product.
Below in conjunction with Figure 10, Fig. 1, Fig. 2, the structure of IDC terminal and the annexation of IDC terminal and socket miscellaneous part are described.IDC terminal 700 comprises that the 710，Cong Plug Division, Plug Division 710 for being plugged to printed substrate 500 stretches out and at two side-prominent block 711, bodies 712 and can cut the twolip cutter 713 that output cable insulating barrier makes the output cable be electrically connected to the IDC terminal.
The twolip cutter 713 of IDC terminal is inserted in IDC routing seat 300, body 712 makes Plug Division 710 be plugged in the splicing ear of printed circuit board (PCB) 500 correspondences through the IDC terminal socket 420 of supporting seat 400, and block 711 blocks and makes the IDC terminal fix in IDC terminal socket 420.
Test the utility model comprises the performance of ultrahigh speed communication with the socket of the anti-interface circuit of crosstalking.Testing software adopts the Link ware software of Fiuke Co., Ltd, and the test result obtained is as following table:
Table one
Table two
Table three
Test result from table one to table three, the socket that comprises the anti-interface circuit of crosstalking of ultrahigh speed communication use of the present utility model meets the requirement of 500MHZ high-frequency signal transmission fully.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (10)
1. resist the interface circuit of crosstalking for a ultrahigh speed communication, it comprises a plurality of faller gills that are electrically connected to RJ45 connector, a plurality of IDC terminals that are electrically connected to the output cable and the printed circuit board (PCB) that faller gill is electrically connected to the IDC terminal, form the transmission line consisted of many transmission branch lines between described a plurality of faller gills, a plurality of IDC terminal and printed substrate; It is characterized in that: described a plurality of faller gills make in described transmission line and not to arrange the faller gill building-out capacitor except article one and the last item transmission branch line and adjacent transmission branch line, between other adjacent transmission branch lines, are provided with the faller gill building-out capacitor.
2. interface circuit according to claim 1 is characterized in that: described transmission line comprises 8 transmission branch lines, and described faller gill is 8, respectively corresponding 8 described transmission branch lines; Be provided with the first faller gill building-out capacitor between described the second transmission branch line and the 3rd transmission branch line, be provided with the second faller gill building-out capacitor between described the 3rd transmission transmission branch line and the 4th transmission transmission branch line, be provided with the 3rd faller gill building-out capacitor between described the 4th transmission branch line and the 5th transmission branch line, be provided with the 4th faller gill building-out capacitor between described the 5th transmission transmission branch line and the 6th transmission transmission branch line, between described the 6th transmission branch line and the 7th transmission branch line, be provided with the 5th faller gill building-out capacitor.
3. interface circuit according to claim 2, it is characterized in that: described wiring board one side is provided with the first faller gill, the second faller gill, the 4th faller gill, the 6th faller gill that structure is identical from left to right, and described wiring board opposite side is provided with the 3rd faller gill, the 5th faller gill, the 7th faller gill, the 8th faller gill that structure is identical from left to right; Described the first faller gill and the second faller gill next-door neighbour arrange, and described the 7th faller gill and the 8th faller gill next-door neighbour arrange; Described the 3rd faller gill correspondence is arranged between the second faller gill and the 4th faller gill, and described the 5th faller gill correspondence is arranged between the 4th faller gill and the 6th faller gill.
4. interface circuit according to claim 3 is characterized in that: described the first faller gill comprises Plug Division, bend and by the upwardly extending rake in bend upper end.
5. according to the described interface circuit of claim 3 or 4, it is characterized in that: described the 3rd faller gill comprises Plug Division, the first bend, by the first upwardly extending the first connecting portion in bend upper end, by the first connecting portion outwards outstanding the second bend extended, by the second bend to the second connecting portion of downward-extension and by outward extending the 3rd connecting portion of the second connecting portion; The slope of described the first connecting portion is less than the slope of rake, and described the 3rd connecting portion is parallel to printed circuit board surface.
6. interface circuit according to claim 1, it is characterized in that: the cabling of described printed substrate makes in eight transmission branch lines the first transmission branch line and the 3rd transmit between branch line and is provided with the first wiring board building-out capacitor, be provided with the second wiring board building-out capacitor between the first transmission branch line and the 4th transmission branch line, be provided with tertiary circuit plate building-out capacitor between the second transmission branch line and the 6th transmission branch line, be provided with the 4th wiring board building-out capacitor between the 3rd transmission branch line and the 4th transmission branch line, be provided with the 5th wiring board building-out capacitor between the 3rd transmission branch line and the 5th transmission branch line, be provided with the 6th wiring board building-out capacitor between the 4th transmission branch line and the 6th transmission branch line, be provided with the 7th wiring board building-out capacitor between the 5th transmission branch line and the 6th transmission branch line, be provided with the 8th wiring board building-out capacitor between the 6th transmission branch line and the 8th transmission branch line.
7. interface circuit according to claim 6, it is characterized in that: described printed substrate comprises front cabling pattern and back side cabling pattern, described front cabling pattern and back side cabling pattern comprise the first to the 8th splicing ear corresponding to the first to the 8th transmission branch line, and the two or more pieces metal routing that the described first to the 8th wiring board building-out capacitor arranges by arrangement interval between corresponding splicing ear forms.
8. interface circuit according to claim 1, it is characterized in that: described IDC terminal comprises that ，Cong Plug Division, Plug Division stretches out and at two side-prominent block, bodies and can cut the twolip cutter that output cable insulating barrier makes the output cable be electrically connected to the IDC terminal.
9. a socket is characterized in that: comprise shell, the anti-circuit of crosstalking for the described ultrahigh speed communication of claim 1 to 8 any one, with RJ45 socket, IDC routing seat and the supporting seat of RJ45 connector coupling; The Plug Division of described faller gill is plugged in the splicing ear that printed substrate is corresponding, described first and second, the bend of four, six faller gills and the first bend of the 3rd, five, seven, eight faller gills be fixed in the faller gill support slot of supporting seat, described first and second, the rake of four, six faller gills stretches out in the RJ45 socket.
10. socket according to claim 9, it is characterized in that: the twolip cutter of described IDC terminal is inserted in IDC routing seat, body makes Plug Division be plugged in the splicing ear that printed circuit board (PCB) is corresponding through the IDC terminal socket of supporting seat, block card and make the IDC terminal fix in IDC terminal socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204841810U CN203339349U (en) | 2013-08-09 | 2013-08-09 | Crosstalk-resistant interface circuit for superspeed communication and socket including the interface circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204841810U CN203339349U (en) | 2013-08-09 | 2013-08-09 | Crosstalk-resistant interface circuit for superspeed communication and socket including the interface circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203339349U true CN203339349U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204841810U Expired - Fee Related CN203339349U (en) | 2013-08-09 | 2013-08-09 | Crosstalk-resistant interface circuit for superspeed communication and socket including the interface circuit |
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| CN (1) | CN203339349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390818B (en) * | 2013-08-09 | 2015-08-12 | 浙江一舟电子科技股份有限公司 | A kind of ultrahigh speed communication resistance to crosstalk interface circuit and comprise the socket of this interface circuit |
-
2013
- 2013-08-09 CN CN2013204841810U patent/CN203339349U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390818B (en) * | 2013-08-09 | 2015-08-12 | 浙江一舟电子科技股份有限公司 | A kind of ultrahigh speed communication resistance to crosstalk interface circuit and comprise the socket of this interface circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20170809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |